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13227052840 = 2354318142487
BaseRepresentation
bin11000101000110010…
…01100111100101000
31021010211000220101221
430110121030330220
5204042111142330
610024301351424
7645531044161
oct142431147450
937124026357
1013227052840
115678365631
122691868574
13132a43b6b1
148d6990768
15526351b7a
hex31464cf28

13227052840 has 64 divisors (see below), whose sum is σ = 30621951360. Its totient is φ = 5139106560.

The previous prime is 13227052829. The next prime is 13227052841. The reversal of 13227052840 is 4825072231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13227052796 and 13227052805.

It is not an unprimeable number, because it can be changed into a prime (13227052841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290077 + ... + 332563.

It is an arithmetic number, because the mean of its divisors is an integer number (478467990).

Almost surely, 213227052840 is an apocalyptic number.

13227052840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13227052840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15310975680).

13227052840 is an abundant number, since it is smaller than the sum of its proper divisors (17394898520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13227052840 is a wasteful number, since it uses less digits than its factorization.

13227052840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42722 (or 42718 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 13227052840 in words is "thirteen billion, two hundred twenty-seven million, fifty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 181 215 344 362 430 724 860 905 1448 1720 1810 3620 7240 7783 15566 31132 38915 42487 62264 77830 84974 155660 169948 212435 311320 339896 424870 849740 1699480 1826941 3653882 7307764 7690147 9134705 14615528 15380294 18269410 30760588 36538820 38450735 61521176 73077640 76901470 153802940 307605880 330676321 661352642 1322705284 1653381605 2645410568 3306763210 6613526420 13227052840